Multiply and simplify.cos ? sin ? (sec ? - csc ?)

A. cos2? - 1
B. 1
C. sin ? - cos ?
D. sin ? - 2 csc ?


Answer: C

Mathematics

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A. (25/4 - 1)
B.
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D. (25/4 - 1)

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Provide an appropriate response.Find angle C. Round to the nearest 0.1°.

A. 55.4° B. 50.5° C. 42.1° D. 39.5°

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A. 6 ml/hr B. 3 ml/hr C. 4 ml/hr D. 5 ml/hr

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Solve the problem.The length of a rectangle is 10 inches more than its width. If 5 inches are taken from the length and added to the width, the figure becomes a square with an area of 289 square inches. What are the dimensions of the original figure?

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